A plough (1) comprising: a framework (2) provided with means (3) for connecting to a self-propelled drive vehicle (T) one or more working tool units (4) associated to the framework (2) and configured for working the ground (G). The plough (1) provides for that each of the working tool units (4) is sequentially provided - according to the advancement direction (V) of the plough (1) - with: a front cutting element (41 ) for cutting the ground (G) a rear rotary disc (42) for turning the ground (G) previously broken by the cutting element (41). Each rotary disc (42) has the rotation axis (Y1) substantially parallel to the ground (G) and inclined with respect to the advancement direction (V). Each rotary disc (42) is operatively connected to and driven in rotation by a rotary motion generation unit (6) belonging to the plough (1).